Gain-transparent SOA-switch for high-bitrate OTDM add/drop multiplexing

被引：61

作者：

Diez, S ^{[1
]}

Ludwig, R ^{[1
]}

Weber, HG ^{[1
]}

机构：

[1] Heinrich Hertz Inst Nachrichtentech Berlin GmbH, D-10587 Berlin, Germany

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1999年 / 11卷 / 01期

关键词：

add/drop multiplexing; cross-phase modulation; demultiplexing; semiconductor-optical amplifier;

D O I：

10.1109/68.736390

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report on an all-optical interferometric optical time-division multiplexing switch that exhibits high linearity, high-switching contrast, low noise, wide bandwidth, and low crosstalk, The key clement of the gain-transparent switch is a semiconductor optical amplifier (SOA), which is transparent for the data signal, However, the injection of optical control pulses in the gain wavelength region of the SOA leads to index modulations at the wavelength of the data. This variation of the refractive index can be used for interferometric switching. In the application as add/drop multiplexer, the switch has the inherent advantage of leaving the nonswitched pulses undisturbed.

引用

页码：60 / 62

页数：3

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